Home / 39,346.91-54,297.29-21,441.61

Finding the Fourth Proportional to 39,346.91, 54,297.29 and 21,441.61

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Solution

The fourth proportional to 39,346.91, 54,297.29 and 21,441.61 is: 29,588.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,346.91 : 54,297.29 = 21,441.61 : x
  2. Step 2: Convert to fraction form
    39,346.91/54,297.29 = 21,441.61/x
  3. Step 3: Cross multiply
    39,346.91x = 54,297.29 × 21,441.61
  4. Step 4: Simplify right side
    39,346.91x = 1,164,221,317.10
  5. Step 5: Solve for x
    x = 1,164,221,317.10/39,346.91
  6. Step 6: Final answer
    x = 29,588.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.